A fire had broken out at Velana Building, housing a number of state institute offices, on Wednesday night.
The fire broke out on the eight floor of the building.
VNews understands the fire broke out after some papers in a box caught on fire. However the cause of the fire is unclear.
A security guard working at the building was taken to hospital due to smoke inhalation.
The building sustained no damage as the fire was put out swiftly.
Police are investigating the cause of the fire.